package Demo3;

public class Main9 {
    public static void main(String[] args) throws InterruptedException {
     Thread t=new Thread(()->{
         for (int i = 0; i <3 ; i++) {
             System.out.println("hello thread");
             try {
                 Thread.sleep(1000);
             } catch (InterruptedException e) {
                 throw new RuntimeException(e);
             }
         }
     });
     t.setDaemon(true);
     t.start();
     while(true){
         System.out.println("hello main");
         System.out.println(t.isAlive());
         Thread.sleep(1000);
     }
    }
}
